Manual Reference Pages - RLEZOOM (1)
rlezoom - Magnify an RLE file by pixel replication.
y-factor ] [
-f ] [
outfile ] [
This program magnifies (zooms) an
file by a floating point factor. Each pixel in the original image becomes
a block of pixels in the output image. If no
y-factor is specified, then the image will be magnified by
factor equally in both directions. If
y-factor is given, then each input pixel becomes a block of
factor×y-factor pixels in the output. If
y-factor is less than 1.0, pixels will be dropped from the image. There is no
pixel blending performed. Input is taken from
infile, or from the standard input if not specified. The magnified image is
written to the standard output, or
outfile, if specified.
You should use
if you just want a quick magnification of an image with the pixel
boundaries showing. It is significantly faster than
fant because it does no arithmetic on the pixel values.
If you need blending between pixels in the magnified
fant is the correct program to use. Use
rlezoom -f factor y-factor to produce an image the same size as
fant -p 0 0 -s factor y-factor for previewing purposes.
Note: due to the way that
parses the arguments from the command line, if the name of
infile is a number, and it is in the current directory, you should prefix it
with "./" so that it will not be confused with
Spencer W. Thomas,
Gerald A. Winters.
|1 ||RLEZOOM (1) ||Feb 27, 1987 |
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